CUET (UG) 2023 Biology Sexual Reproduction in Flowering Plants MCQs

In this blog you will get CUET (UG) biology practice questions of Sexual Reproduction in flowering plants with answers . CUET (UG) biotechology practice questions chapter-wise is provided here which students can use to improve their performance . CUET undergraduate test paper of biotechnology or biology chpter Reproduction in flowering plants is prepared by experts according to latest exam pattern as prescribed by NTA .

CUET (UG) Biology Sexual Reproduction in Flowering Plants MCQs
CUET (UG) Biology Sexual Reproduction in Flowering Plants MCQs

CUET (UG) Biology syllabus includes various chapters , below we have provided practice set for Sexual reproduction in flowering plant questions along with their answers key at the end . Practice questions help students to understand their weak areas , where they need to work more and needed to improve .On examflame we have provided complete chapter-wise mock test of biology for CUET undergraduate which you can use to practice and improve your score .

CUET biotechnology sexual reproduction in flowering plants practice MCQs :

Instructions : Kindly attempt the below questions in exam like environment without using any devices and google search. Try to solve the questions in a time limit of max 25 min . write your answers in a paper and at the end match your answers from the answer key provided at the end .

  1. The lengthwise running groove on anther which separate theca is called
    (a) rupture line (b) line of dehiscence
    (c) suture of anther (d) None of the above
  2. Number of microsporangia in an angiospermic anther is
    (a) 1 (b) 2 (c) 3 (d) 4
  3. Microsporangium develops into
    (a) pollens (b) microgametes
    (c) megagametes (d) pollen sac
  4. The innermost layer of microsporangium is
    (a) tapetum (b) endothecium
    (c) middle layer (d) epidermis
  5. Centre of each microsporangium is occupied by
    (a) sporogenous tissue (b) tapetum
    (c) central tissue (d) microspore mother cell
  6. The outermost wall layer of microsporangium in anther is
    (a) endothecium (b) tapetum
    (c) middle layer (d) epidermis
  7. Which of the following perform microsporogenesis?
    (a) Microspore mother cell (b) Pollen mother cell
    (c) Both (a) and (b) (d) None of these
  8. Microspore tetrad (pollen grains) is the result of
    (a) mitotic cell division (b) meiotic cell division
    (c) Both (a) and (b) (d) None of these
  9. Dehiscence of anther in mesophytes is caused by
    (a) hydration of anthers (b) dehydration of anthers
    (c) mechanical injury (d) None of these
  10. Pollens have two prominant walls which are …A… and …B… . Here A and B refers to
    (a) A–intine, B–protein coat
    (b) A–exine, B–intine
    (c) A–sporopollenin, B–intine
    (d) A–sporopollenin, B–exine
  1. Intine is made up of
    (a) cellulose
    (b) pectin
    (c) Both (a) and (b)
    (d) protein
  2. Exine of pollen is made up of
    (a) sporopollenin
    (b) sporogenous tissue
    (c) spongiform tissue
    (d) inorganic material
  3. The sporopollenin is non-degradable because
    (a) it can withstand strong acids
    (b) it is resistant at very high temperature
    (c) no enzyme degrade it
    (d) All of the above
  4. The functions of germ pore is/are
    (a) emergence of radicle
    (b) absorption of water for seed germination
    (c) initiation of pollen tube
    (d) All of the above
  5. When the pollen grain is mature, it contains two cells, the … A … and … B ….
    (a) A–generative cell, B–spore mother cell
    (b) A–vegetative cell, B–spore mother cell
    (c) A–spore mother cell, B–male gamete
    (d) A–vegetative cell, B–generative cell
  6. 60% of the angiosperms shed their pollens at the
    (a) 2-celled stage (b) 3-celled stage
    (c) 4-celled stage (d) 1-celled stage
  1. Chalazal pole is present
    (a) opposite to micropyle
    (b) at the origin of integuments
    (c) opposite to nucellus
    (d) near the embryo sac
  2. Mass of cells enclosed by integuments is called
    (a) nucellus (b) embryo
    (c) ova (d) pollen
  3. Embryo sac is also called
    (a) female gamete
    (b) synergids
    (c) female gametophyte
    (d) egg of angiosperm
  4. Megasporogenesis is
    (a) formation of fruits
    (b) formation of seeds
    (c) formation of megaspores
    (d) Both (b) and (c)
  5. Megaspore mother cell is found near the region of
    (a) micropyle (b) chalaza
    (c) nucellus (d) integuments
  6. Single megasporic development is called
    (a) single sporic (b) unisporic
    (c) monosporic (d) disporic
  1. Filiform apparatus are
    (a) special cellular thickenings at antipodal cell
    (b) special cellular thickenings at the micropylar end
    (c) special cellular thickenings at synergid cells
    (d) special cellular thickenings at nuclear end
  2. Autogamy stands for
    (a) pollination in same flower
    (b) pollination between different plants
    (c) pollination in two flowers of same plant
    (d) division in embryo
  3. Cleistogamous flowers are strictly autogamous because they remain
    (a) always open (b) always close
    (c) always fragrance (d) are brighty coloured
  4. In chasmogamy pollination takes place in
    (a) open flower (b) closed flower
    (c) large flower (d) geitonogamy flower
  5. The most common abiotic pollinating agency in flowering plant is/ are
    (a) water (b) wind
    (c) Both (a) and (b) (d) None of these
  6. Characteristic of wind pollinated pollens is, they are
    (a) non-sticky
    (b) light
    (c) produced in large number
    (d) All of the above
  1. Double fertilisation is
    (a) fusion of two male gametes with one egg
    (b) fusion of one male gamete with two polar nuclei
    (c) fusion of two male gametes of pollen tube with two different eggs
    (d) syngamy and triple fusion

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CUET (UG) Sexual reproduction in flowering plants Mcqs answers :

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